Arrow-2 vs Delilah: Side-by-Side Comparison & Analysis
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2026-03-21
5 min read
Overview
This side-by-side comparison of Arrow-2 and Delilah missile systems provides an in-depth analysis of their capabilities, strengths, and weaknesses. As defense planners consider which system to choose for specific scenarios, this comparison aims to provide a comprehensive understanding of each system's advantages and disadvantages.
Side-by-Side Specifications
| Dimension | Arrow 2 | Delilah |
|---|
| Range |
150 km |
300 km |
| Speed |
Mach 9 |
Subsonic (turbojet) |
| Cost |
~$2-3M per interceptor |
~$500K |
| Guidance |
Active radar seeker with fragmentation warhead |
INS/GPS + TV/IR terminal seeker + man-in-the-loop datalink |
| Warhead |
Directional fragmentation warhead |
30kg HE or penetrator |
| First Deployed |
2000 |
2000 |
| Operators |
Israel |
Israel |
| Type |
Endoatmospheric interceptor missile |
Air-launched cruise missile / loitering munition |
| Speed |
Mach 9 |
Subsonic (turbojet) |
| Range |
150 km |
300 km |
Head-to-Head Analysis
Range & Coverage
Arrow-2 has a shorter range of 150 km compared to Delilah's 300 km. However, Arrow-2's endoatmospheric intercept capability allows it to engage targets at higher altitudes, while Delilah's loitering capability enables it to stay in the area for a longer period. In a scenario where a large area needs to be covered, Delilah's longer range and loitering capability make it a better choice.
Delilah is better for range and coverage due to its longer range and loitering capability.
Accuracy
Both Arrow-2 and Delilah have high accuracy, with Arrow-2's active radar seeker and Delilah's INS/GPS + TV/IR terminal seeker providing precise targeting. However, Delilah's man-in-the-loop datalink allows for real-time adjustments, making it more accurate in dynamic environments. In a scenario where high accuracy is crucial, Delilah's real-time adjustments make it a better choice.
Delilah is better for accuracy due to its real-time adjustments and man-in-the-loop datalink.
Cost
Arrow-2 has a higher unit cost of ~$2-3M per interceptor compared to Delilah's ~$500K. However, Arrow-2's endoatmospheric intercept capability requires a more complex system, which increases its cost. In a scenario where budget is a concern, Delilah's lower cost makes it a better choice.
Delilah is better for cost due to its lower unit cost.
Guidance
Both Arrow-2 and Delilah have advanced guidance systems, with Arrow-2's active radar seeker and Delilah's INS/GPS + TV/IR terminal seeker providing precise targeting. However, Delilah's man-in-the-loop datalink allows for real-time adjustments, making it more effective in dynamic environments. In a scenario where guidance is critical, Delilah's real-time adjustments make it a better choice.
Delilah is better for guidance due to its real-time adjustments and man-in-the-loop datalink.
Warhead
Arrow-2's directional fragmentation warhead provides a higher probability of kill compared to Delilah's 30kg HE or penetrator. However, Delilah's warhead can be adjusted in real-time, making it more effective in dynamic environments. In a scenario where a high probability of kill is crucial, Arrow-2's directional fragmentation warhead makes it a better choice.
Arrow-2 is better for warhead due to its higher probability of kill.
Scenario Analysis
Defending against Iranian ballistic missile salvo
In a scenario where Iran launches a ballistic missile salvo, Arrow-2's endoatmospheric intercept capability would be effective in engaging the missiles at high altitudes. However, Delilah's loitering capability would allow it to stay in the area for a longer period, providing continuous coverage. In this scenario, Delilah's loitering capability makes it a better choice.
Delilah
Precision strike against a high-value target
In a scenario where a high-value target needs to be precision struck, Delilah's man-in-the-loop datalink and real-time adjustments would make it more effective. Arrow-2's active radar seeker would provide precise targeting, but Delilah's real-time adjustments would allow for more accurate targeting. In this scenario, Delilah's real-time adjustments make it a better choice.
Delilah
Area denial and saturation
In a scenario where area denial and saturation are critical, Delilah's loitering capability would allow it to stay in the area for a longer period, providing continuous coverage. Arrow-2's endoatmospheric intercept capability would be effective in engaging targets at high altitudes, but Delilah's loitering capability would provide more comprehensive coverage. In this scenario, Delilah's loitering capability makes it a better choice.
Delilah
Complementary Use
Both Arrow-2 and Delilah can be used in complementary roles to enhance their effectiveness. Arrow-2's endoatmospheric intercept capability can be used to engage high-altitude targets, while Delilah's loitering capability can be used to provide continuous coverage in a specific area. In a scenario where both systems are used together, their combined capabilities would provide a more comprehensive defense.
Overall Verdict
Delilah is a better choice for scenarios where range, accuracy, and cost are critical. However, Arrow-2's endoatmospheric intercept capability makes it a better choice for scenarios where high-altitude targets need to be engaged. Ultimately, the choice between Arrow-2 and Delilah depends on the specific requirements of the scenario and the capabilities of the systems.
Frequently Asked Questions
What is the difference between Arrow-2 and Delilah?
Arrow-2 is an endoatmospheric interceptor missile, while Delilah is an air-launched cruise missile/loitering munition. Arrow-2 is designed to engage high-altitude targets, while Delilah is designed for precision strikes and area denial.
Which system has a longer range?
Delilah has a longer range of 300 km compared to Arrow-2's 150 km.
Which system is more accurate?
Both Arrow-2 and Delilah have high accuracy, but Delilah's man-in-the-loop datalink allows for real-time adjustments, making it more accurate in dynamic environments.
Which system is more cost-effective?
Delilah has a lower unit cost of ~$500K compared to Arrow-2's ~$2-3M per interceptor.
Can Arrow-2 and Delilah be used together?
Yes, both systems can be used in complementary roles to enhance their effectiveness. Arrow-2's endoatmospheric intercept capability can be used to engage high-altitude targets, while Delilah's loitering capability can be used to provide continuous coverage in a specific area.
Related
Sources
Arrow-2
IAI/Boeing
official
Delilah
IMI Systems
official
Missile Defense Review
Defense News
journalistic
Loitering Munitions
Jane's Defence Weekly
journalistic
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